142310561986013 has 12 divisors (see below), whose sum is σ = 152512020379380. Its totient is φ = 132754048422912.

The previous prime is 142310561985901. The next prime is 142310561986057. The reversal of 142310561986013 is 310689165013241.

It can be written as a sum of positive squares in 6 ways, for example, as 14433297577924 + 127877264408089 = 3799118^2 + 11308283^2 .

It is a de Polignac number, because none of the positive numbers 2^k-142310561986013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142310561986093) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2178834998 + ... + 2178900311.

It is an arithmetic number, because the mean of its divisors is an integer number (12709335031615).

Almost surely, 2^{142310561986013} is an apocalyptic number.

It is an amenable number.

142310561986013 is a deficient number, since it is larger than the sum of its proper divisors (10201458393367).

142310561986013 is a wasteful number, since it uses less digits than its factorization.

142310561986013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4357735456 (or 4357735439 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 50.

The spelling of 142310561986013 in words is "one hundred forty-two trillion, three hundred ten billion, five hundred sixty-one million, nine hundred eighty-six thousand, thirteen".